Question: Which inventor or discoverer with the profession of astronomer discovered 90377 Sedna?
Paraphrase: Which inventor or discoverer with the profession of astronomer determined 90377 Sedna?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q15610 wdt:P61 ?answer . ?answer wdt:P106 wd:Q11063}
Answer: Michael E. Brown, David L. Rabinowitz, Chad Trujillo